Special agent of Department of Agriculture and Technology Instruction for Ireland, 1904-1905. Instructor economics, Catholic University of America, 1905-1908. Fellow in political economy, Johns Hopkins, 1908-1909.
Instructor economics, Princeton University, 1909-1910, assistant professor, 1910-1919, professor from 1919. Joseph Douglas Green, 1895, professor of economics, 1938-1952, professor emeritus from 1952. Special agent United States Commision on Industrial Relations, 1914, 15.
Chairman Newark Regional Labor Board, 1933-1934. Economics consultant to National Defense Advisory Commission, 1941. Office of Price Administration, 1942.
Investigator and arbitrator National War Labor Board, 1942-1944. Consultant, War Shipping Administration, 1945-1946. First Lieutenant Signal R.C., Aviation Section, October 12, 1917.
Captain, A.S.A., October 9-December 16, 1918.
Born March 8, 1883